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[Province: Zhejiang ]   
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HJB.20.625 Single-Row Crossed Rollers Slewing bearings
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HJB.20.625 Single-Row Crossed Rollers Slewing bearings

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Basic Info.
  • Brand Name: RNB OR NATURAL 
  • Number of row: Single row 
  • Type: Roller bearing 
  • Material of race: 50Mn 
  • Material of roller: Chrome steel 
  • Precision: P0 
  • Model No.: HJB.20.625 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Piece/Pieces
  • Means of Transport: Ocean, Air
Supply Capacity
  • Production Capacity: 10000 Piece/Pieces per Month
  • Packing:RNB OR NATURAL
  • Delivery Date: 50days

Single-Row Crossed Rollers Slewing bearings

CHARACTERISTIC OF STRUCTURE PERFORMANCEAND APPLICATION
The single-row cross roller slewing ring is composed of two seatrings. It features compact in design, light

in weight, high precision and small fitting clearance.As the rollers are 1:1 cross arrange, it is suitable 

for high precision mounting and capable to bear axial force, resultant moment and considerable large radial force. slewing bearing, slewing bearings .The single-row crossed roller slewing rings are widely used for histing, transporting, engineering machines as well as for military products.


  Notes:
  1. n1-number of lubricating holes, evenly distributed, lubricating nipple M10????GB1152-1153-79.
  2. mounting hole maybe replaced with screw hole, tooth width maybe taken as H-h.
  3. Gear force of beriphery given in the table is its maximum value, nominal force of periphery is taken 1/2 of the given calue. slewing bearing, slewing bearings
  4. the trim top coeffivient of inner tooth is 0.1and 0.2,respectively

Gear heat treatment forms( Single-Row Crossed Rollers Slewing bearings )        
Due to the need of transmission power or torque of slewing bearing, there are usually teeth in a ferrule. The general state of heat treatment of gear is normalizing or tempering. And the tooth surface and tooth root is IF Quenching

Iterm No.

Principaldimensions/mm

Installationdimension

Structure

dimension

GearParameter

Outer gearParameter

Inner gearParameter

Gearcircular force

Mass
(kg)


DL
mm


DL
mm


DL
mm

D
mm

d
mm

H
mm

D1
mm

D2
mm

n

Φ
mm

n1

d1
mm

D3
mm

H1
mm

h

b
mm

x

m
mm

De
mm

Z

De
mm

Z


Z
104 N


T
104 N

HJB.20.625

HJW.20.625

HJN.20.625

725

525

80

685

565

18

18

3

627

623

68

12

60

+1.4

5

751.9

146

498.8

101


5.2

100

HJW.20.625A

HJN.20.625A

+1.15

6

755.5

122

496.7

84


6.2

HJB.20.720

HJW.20.720

HJN.20.720

820

620

80

780

660

18

18

3

722

718

68

12

60

+1.4

6

860.3

139

586.6

99


6.2

120

HJW.20.720A

HJN.20.720A

+1.0

8

861.1

104

582.3

74


8.3

HJB.30.820

HJW.30.820

HJN.30.820

940

705

95

893

749

24

20

4

822

818

83

12

70

+1.4

6

980.6

159

664.5

112


7.2

210

HJW.30.820A

HJN.30.820A

+1.0

10

986.2

95

658.0

67


12.2

HJB.30.880

HJW.30.880

HJN.30.880

1000

760

95

956

800

24

20

4

882

878

83

12

70

+1.15

8

1047.5

127

718.2

91


9.7

230

HJW.30.880A

HJN.30.880A

+1.0

10

1046.3

101

707.9

72


12.2

HJB.30.1020

HJW.30.1020

HJN.30.1020

1170

875

95

1120

930

24

22

4

1022

1018

80

15

70

+1.4

8

1219.3

148

830.1

105


9.7

300

HJW.30.1020A

HJN.30.1020A

+1.15

10

1219.2

118

827.8

84


12.2

HJB.36.1220

HJW.36.1220

HJN.36.1220

1365

1075

120

1310

1130

36

24

6

1222

1218

105

15

90

+1.4

10

1424.9

138

1027.8

104


15.7

450

HJW.36.1220A

HJN.36.1220A

+1.0

12

1435.9

116

1017.3

86


18.8

HJB.36.1250

HJW.36.1250

HJN.36.1250

1400

1090

120

1350

1150

36

26

6

1252

1248

105

15

90

-0.35

10

1443

143

1037

105


15.7

520

HJW.36.1250A

HJN.36.1250A

+1.0

12

1449.6

117

1036.8

86


18.8

HJB36.1435

HJW.36.1435

HJN.36.1435

1595

1278

120

1535

1335

36

26

6

1437

1433

105

15

90

+1.15

12

1655.5

134

1221.2

103


18.8

610

HJW.36.1435A

HJN.36.1435A

+1.0

14

1661.2

115

1214.8

83


21.9

HJB.45.1540

HJW.45.1540

HJN.45.1540

1720

1360

140

1660

1420

42

26

6

1543

1537

122

18

110

+1.4

12

1780.8

144

1293.1

109


23.0

732

HJW.45.1540A

HJN.45.1540A

+1.15

14

1791.1

124

1284.8

93


26.8

HJB.45.1700

HJW.45.1700

HJN.45.1700

1875

1525

140

1815

1585

42

29

6

1703

1679

122

18

110

+1.15

14

1945.4

135

1452.7

105


26.8

844


Single-Row Crossed Rollers Slewing bearings




Single-Row Crossed Rollers Slewing Ring


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NINGBO RUNNING BEARINGS CO.,LTD.
High-tech industrial zones, Ningbo, Zhejiang, China (Mainland)
Fax: 86-574-87916965
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